Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
truong dao » truong dai, truong cao, truong bo
truong va » truong dai, truong cao, luong va
nang cong » nang song, dang cong, bang cong
cong san » cong tac
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca

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) or (chiet tach)) - thanh ((truong va) OR (truong dao)) nang cong san chay cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - thanh ((truong va) OR (truong dao)) nang cong san chay cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chiet tach)) - thanh ((truong va) OR (truong dao)) nang cong san chay cau*".