Perhaps you should try some spelling variations:
thien van » thi van
va triet » va thiet, va trien, ve triet
hanh lai » hanh lam, hanh tai, thanh lap
cham duc » pham duc, cham soc, pham duy
van cham » van chat, van tham, va cham
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
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 ty xang ((ma hoi) or (ma hoa)). thien van cham duc va hanh lai ((cua tre) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang ((ma hoi) OR (ma hoa)). thien van cham duc va hanh lai ((cua tre) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ty xang ((ma hoi) or (ma hoa)). thien van cham duc va hanh lai ((cua tre) or (va triet))*.