Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
duc van » duc va, duc tan, duc manh
van anh » van thanh, tuan anh, van minh
ca tren » cau tren, cu tren, la tren
anh va » hanh va
va ca » va cac, va cao, va cai

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 ky nang xa hoi. ((hieu ve) or (hieu va)) cham duc van anh va ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. ((hieu ve) OR (hieu va)) cham duc van anh va ca tren.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu ve) or (hieu va)) cham duc van anh va ca tren*.