Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
phuc khong » thuc khong, thuoc khong, chu khong
hoac khong » hoa khong, hoc khong, hay khong
hoc thieu » toc thieu, hoc hien
thanh lap » thanh san, thanh hai, thanh van
cong dan » cong san, cong tan, huong dan
phan lap » phan 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 - hanh trinh ((phuc khong) or (hoac khong)) cong dan ((thanh lap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((phuc khong) OR (hoac khong)) cong dan ((thanh lap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((phuc khong) or (hoac khong)) cong dan ((thanh lap) or (phan lap))*.