Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, thanh va
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
san khac » san khau, sai khac, can khach
khac ap » khan ap, khac hau, khac lau

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 - canh ((tranh va) OR (trinh va)) nhung cong san khac ap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh ((tranh va) OR (trinh va)) nhung cong san khac ap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh ((tranh va) OR (trinh va)) nhung cong san khac ap*.