Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh nhan » thanh nhan, danh nhan, hanh han
anh nhan » danh nhan, doanh nhan, thanh nhan
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than ma » than man, than va, khan ma

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