Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
dang xay » dang van, van xay
hanh hai » thanh hai, nhanh hai, hang hai
viec cac » vien cac, viec cua, viec lam
sach thu » sach thue, sach thieu, sach tham
su sach » so sach, vu sach
hai cua » thai cua, dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
cac tuc » cac toc, cac tu, cac tac
cua tuc » cua duc, cua tu, cua thuoc
lang ha » long ha
lang xa » lang van
tuc va » thuc va, truc va, tuc xa

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 thu ((dang xay) or (((lang xa) OR (lang ha)))) hoi. hieu viec cac tuc va hanh hai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((dang xay) OR (((lang xa) OR (lang ha)))) hoi. hieu viec cac tuc va hanh hai cua tuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu ((dang xay) or (((lang xa) OR (lang ha)))) hoi. hieu viec cac tuc va hanh hai cua tuc".
• Adding a wildcard symbol may retrieve word variants: su sach thu ((dang xay) or (((lang xa) OR (lang ha)))) hoi. hieu viec cac tuc va hanh hai cua tuc*.