Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong vang » cong lang, cong quang, cong ngang
khoan va » doan va, khoa ma, nhan va
cong van » cong san, song van, cong tan
thanh tu » hanh tu, nhanh tu, thanh tung
hoan va » hoang va, doan va, toan va

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 - doanh ((hoan va) or (khoan va)) nhung ((cong van) or (cong vang)) thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - doanh ((hoan va) OR (khoan va)) nhung ((cong van) OR (cong vang)) thanh tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh ((hoan va) or (khoan va)) nhung ((cong van) or (cong vang)) thanh tu*.