Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hoc thieu » toc thieu, hoc hien
cua nong » cuu nong, cua dong, cua song
cong tap » cuong tap, cong tac, cong tan
doan dau » doan dieu, phan dau, doan va
doan cap » doanh cao, dan ca, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - nhanh tinh ((cua cong) or (cua nong)) cong tap ((doan dau) or (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - nhanh tinh ((cua cong) OR (cua nong)) cong tap ((doan dau) OR (doan cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - nhanh tinh ((cua cong) or (cua nong)) cong tap ((doan dau) or (doan cap))*.