Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh
nhung nang » nhung lang, nhung bang, nhung cang
nang luong » nang song
luong toan » luong thanh, truong toan, luong tai
hoc thieu » toc thieu, hoc hien
toan cau » toan cao, toan ban, toan tap

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) or (hanh chinh)) va nhung nang luong toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh trinh) OR (hanh chinh)) va nhung nang luong toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh trinh) or (hanh chinh)) va nhung nang luong toan cau*.