Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
cua nong » cua cong, cuu nong, cua dong
cuu nang » chuc nang, cam nang, cuu van
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 ((suat thong) or (((cua nong) or (cuu nang)))) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((suat thong) OR (((cua nong) OR (cuu nang)))) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((suat thong) or (((cua nong) or (cuu nang)))) cong dan than cau*.