Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cong luong » cong thuong, nang luong, cong dong
luong tuan » luong quan, luong xuan, duong tuan
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
tuan cao » toan cao, juan cao, quang cao

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 va) or (trung ha)) hang cong luong tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung va) OR (trung ha)) hang cong luong tuan cao*.