Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
cong luong » cong thuong, nang luong, cong dong
luong toan » luong thanh, truong toan, luong tai
hoc thieu » toc thieu, hoc hien
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 - ((thanh trung) or (((thanh tung) OR (thanh cong)))) va nhung cong luong toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh trung) OR (((thanh tung) OR (thanh cong)))) va nhung cong luong toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh trung) or (((thanh tung) OR (thanh cong)))) va nhung cong luong toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh trung) or (((thanh tung) OR (thanh cong)))) va nhung cong luong toan cao*.