Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
duc phung » duc thang, duc trung, duc dung
cong than » cong thanh, cong thang, cong tan
than phan » thanh phan, toan phan, thanh pham
luc hung » luc phuong, quoc hung, duc huong
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 han ((((luc hung) or (duc phung))) or (duc hung)) cong than phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - trinh han ((((luc hung) OR (duc phung))) OR (duc hung)) cong than phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - trinh han ((((luc hung) or (duc phung))) or (duc hung)) cong than phan dau*.