Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tac thuong » tai thuong, tam thuong, tat thuong
nang thanh » dang thanh, tang thanh, nhanh thanh
tac thong » tac trong, tac chong, tao thong
cong nang » cong ngang, cong lang, cong nong
thanh dau » thanh dat, thanh dam, thanh mau
ho chieu » theo chieu, hoc thieu, doi chieu

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 ((tac thong) OR (tac thuong)) cong nang thanh dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh cong ((tac thong) OR (tac thuong)) cong nang thanh dau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh cong ((tac thong) OR (tac thuong)) cong nang thanh dau*.