Perhaps you should try some spelling variations:
sach tai » sach bai, sach tham, sach dao
thuc dan » thuc hanh, hoc dan, thuc vat
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien, ve triet
te sach » toc sach
tai san » tai ngan
hieu va » lieu va, hieu qua
san xa » san va, dan xa, san ha
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
vi su » va su, ve su, ki su

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 tai san xa hoi. hieu va cam ((tuc va) or (thuc dan)) thanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tai san xa hoi. hieu va cam ((tuc va) OR (thuc dan)) thanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: te sach tai san xa hoi. hieu va cam ((tuc va) or (thuc dan)) thanh vi su triet*.