Perhaps you should try some spelling variations:
hanh giau » thanh gian, danh gia, anh giao
sach thue » sach thu, sach thieu, sach tham
giau cua » gian cua, gia cua, dieu cua
van hanh » van thanh, ban hanh, van anh
hieu van » thien van, lieu va, hieu ve
lam tuc » lam thuoc, lam truoc, luat tuc
tuc van » thuc van, truc van, tuc va
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
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: toc ((sach ty) or (sach thue)) lang xa hoi. ((hieu van) OR (hieu va)) lam tuc van hanh giau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thue)) lang xa hoi. ((hieu van) OR (hieu va)) lam tuc van hanh giau cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach thue)) lang xa hoi. ((hieu van) OR (hieu va)) lam tuc van hanh giau cua tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thue)) lang xa hoi. ((hieu van) OR (hieu va)) lam tuc van hanh giau cua tre*.