Perhaps you should try some spelling variations:
thien van » thi van
dinh dau » dinh dat, dinh du, danh dau
van cham » van chat, van tham, va cham
sach thu » sach thue, sach thieu, sach tham
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, xach tay
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
dau cua » dai cua, day cua, cau cua
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: nuoc ((sach ty) OR (sach thu)) nang xa hoi. thien van cham ((truc va) or (thuc va)) dinh dau cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc ((sach ty) OR (sach thu)) nang xa hoi. thien van cham ((truc va) OR (thuc va)) dinh dau cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc ((sach ty) OR (sach thu)) nang xa hoi. thien van cham ((truc va) or (thuc va)) dinh dau cua te".
• Adding a wildcard symbol may retrieve word variants: nuoc ((sach ty) OR (sach thu)) nang xa hoi. thien van cham ((truc va) or (thuc va)) dinh dau cua te*.