Perhaps you should try some spelling variations:
thanh nung » thanh tung, thanh hung, thanh dung
chung cong » nhung cong, chong cong, phung cong
hoc thieu » toc thieu, hoc hien
cao chung » cac chung, cho chuong, chon chung
ho chieu » theo chieu, doi chieu, mot chieu
doc hieu » toc thieu, hoc hien
nung cao » nang cao, nhung cau, quang cao
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ((((ho chieu) or (doc hieu))) or (hoc thieu)) xanh - thanh nung cao chung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (doc hieu))) OR (hoc thieu)) xanh - thanh nung cao chung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) or (doc hieu))) or (hoc thieu)) xanh - thanh nung cao chung cong tan toan cau*.