Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
quat chung » xuat chung, qua chung, thuat chung
luat chung » luan chung, luat thuong, cua chung
cong ngang » cong nhan, cong quang, cong lang
ngang than » nganh thanh, sang than, nang thanh
hoc thieu » toc thieu, hoc hien
thanh van » thanh san, thanh toan, thanh phan
hanh van » khanh van, hanh va, hanh san
than cau » toan cau, phan cau, than cap

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 - ((hanh van) or (thanh van)) ((quat chung) OR (luat chung)) cong ngang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh van) OR (thanh van)) ((quat chung) OR (luat chung)) cong ngang than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh van) or (thanh van)) ((quat chung) OR (luat chung)) cong ngang than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh van) or (thanh van)) ((quat chung) OR (luat chung)) cong ngang than cau*.