Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
thong cap » thong cac, trung cap, thong cua
thanh lap » thanh san, phan lap, thanh hai
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
tung cap » trung cap, cung cap, trong cap
cong dan » cong san, cong tan, huong dan

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