Perhaps you should try some spelling variations:
sach phu » sach thu, sach phat, sach thue
phu lang » phap lang, phu khang, phu luong
hanh tai » thanh tai, hang tai, han tai
hanh lai » hanh lam, thanh lap, thanh loi
tu sach » thu sach, su sach, te sach
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
van lam » van nam
thi van » thi lan, thi hanh, thi nang
lang xa » lang ha, dang xay, lang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach phu lang xa hoi. thi van lam ((duc va) or (thuc va)) ((hanh lai) OR (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach phu lang xa hoi. thi van lam ((duc va) OR (thuc va)) ((hanh lai) OR (hanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach phu lang xa hoi. thi van lam ((duc va) or (thuc va)) ((hanh lai) OR (hanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach phu lang xa hoi. thi van lam ((duc va) or (thuc va)) ((hanh lai) OR (hanh tai)) cua tre*.