Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trinh hang » trinh han, tranh hang, trinh bang
trinh hanh » trinh thanh, trinh han, trinh anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
phan dau » phan tu, hang dau

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 - ((trinh hang) or (trinh hanh)) va nhung cong than phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((trinh hang) OR (trinh hanh)) va nhung cong than phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((trinh hang) or (trinh hanh)) va nhung cong than phan dau*.