Perhaps you should try some spelling variations:
tuan vai » tuan tai, trang vai, tuan khai
van tuan » van quan, van ban, anh tuan
cham duc » pham duc, cham soc, pham duy
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
ve cham » va cham, ve chat, vu cham
te sach » toc sach
sach ly » sach y, sach lo, sach ty
dai hoi » dai hoc, dai hai, dai moi
mai hoi » mai khoi, lai hoi, mai doi
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ly nang ((((mai hoi) OR (dai hoi))) or (ma hoa)). hieu ve cham duc van tuan vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((((mai hoi) OR (dai hoi))) OR (ma hoa)). hieu ve cham duc van tuan vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ((((mai hoi) OR (dai hoi))) or (ma hoa)). hieu ve cham duc van tuan vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((((mai hoi) OR (dai hoi))) or (ma hoa)). hieu ve cham duc van tuan vai cua tre*.