Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoc thieu » toc thieu, hoc hien
hoan nhan » hoang nhan, hon nhan, hoa nhan
dung cong » dung trong
ban hanh » ban hang
hanh bac » nhanh bac, thanh bac, hanh cac

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 lang - doanh hoan nhan ((dang cong) or (dung cong)) ban hanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu lang - doanh hoan nhan ((dang cong) OR (dung cong)) ban hanh bac.
• Adding a wildcard symbol may retrieve word variants: hoc thieu lang - doanh hoan nhan ((dang cong) or (dung cong)) ban hanh bac*.