Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
nang thanh » dang thanh, tang thanh, nhanh thanh
nang phan » nang phat, nang quan, dung phan
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
cong va » dong va, cong ha, luong va

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 ((cong va) or (cong tac)) nhung cong ((nang phan) OR (nang thanh)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((cong va) OR (cong tac)) nhung cong ((nang phan) OR (nang thanh)) lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((cong va) or (cong tac)) nhung cong ((nang phan) OR (nang thanh)) lap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((cong va) or (cong tac)) nhung cong ((nang phan) OR (nang thanh)) lap*.