Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong van » cong vang, cong san, song van
than cap » khan cap, thanh lap, thanh 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 xanh - hanh tranh ((cua thong) OR (cua khong)) ((cong van) or (cong quang)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh tranh ((cua thong) OR (cua khong)) ((cong van) OR (cong quang)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tranh ((cua thong) OR (cua khong)) ((cong van) or (cong quang)) than cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh ((cua thong) OR (cua khong)) ((cong van) or (cong quang)) than cap*.