Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
truong va » truong dai, truong cao, truong dao
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
hanh cac » hang cac, hanh cat, nhanh cay

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 ((trung cap) or (truong va)) thong cong san ((phan tu) or (hanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung cap) OR (truong va)) thong cong san ((phan tu) OR (hanh cac)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung cap) or (truong va)) thong cong san ((phan tu) or (hanh cac))*.