Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
thi hang » thi hanh, thi nang, thi hong
te sach » toc sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
ty nang » ky nang, ty xang, ty hang
va dao » ca dao
va cuu » va cau, va chu
va huu » vu huu

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 ((ty nang) or (thi hang)) xa hoi. hieu ve cham duc va dao ((va cuu) or (va huu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (thi hang)) xa hoi. hieu ve cham duc va dao ((va cuu) OR (va huu)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) or (thi hang)) xa hoi. hieu ve cham duc va dao ((va cuu) or (va huu)) tre*.