Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
cong thanh » dong thanh, cong trinh, truong thanh
sai thanh » tai thanh, mai thanh, oai thanh
ho chieu » theo chieu, hoc thieu, doi chieu
dung sai » dung tai, dung va, dung dat
cong tan » cong tac, cong san, cong ty
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 sang - thanh dung sai thanh ((cong thanh) OR (cong tan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh dung sai thanh ((cong thanh) OR (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh dung sai thanh ((cong thanh) OR (cong tan)) toan cao*.