Perhaps you should try some spelling variations:
thien van » thi van
su sach » so sach, vu sach
van cam » van nam, van lam, van cau
thuc va » thuc vat, thuc dan, thuc day
hanh va » hang va, hanh vi
cua tre » cuu tre, cua triet, dua tren
ang xa » lang xa, mang xa, dang xay
xuc va » duc va, tuc va, luc va
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ang xa hoi. thien van cam ((xuc va) or (thuc va)) hanh va ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ang xa hoi. thien van cam ((xuc va) OR (thuc va)) hanh va ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ang xa hoi. thien van cam ((xuc va) or (thuc va)) hanh va ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach y ang xa hoi. thien van cam ((xuc va) or (thuc va)) hanh va ((cua tre) OR (cua te))*.