Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
cong ngang » cong nhan, cong quang, cong lang
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
tuan cao » toan cao, quang cao, thuan cam
juan cao » quang cao, toan cao, quan cau
tung va » trung va, tuong va, dung va
va hang » van hang, va nang, va lang

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 - thanh tung va hang cong ngang ((tuan cao) or (juan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung va hang cong ngang ((tuan cao) OR (juan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung va hang cong ngang ((tuan cao) or (juan cao))*.