Perhaps you should try some spelling variations:
tuan dai » toan dai, tuan tai, quang dai
van tuan » van quan, van ban, anh tuan
cham duc » pham duc, cham soc, pham duy
te sach » toc sach
duc van » duc va, duc tan, duc manh
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
cua tre » cua te, cuu tre, cua triet
ly hang » ly quang
ly nang » ky nang, ly vang, ly quang
ma hoi » mai hoi, xa hoi, me hoi

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