Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
thong tran » thong than, thong tren, phuong tran
tieu sang » tieu dung, tiem nang, tinh sang
cao thong » cao thuong, tao thong, cao phong
thong tan » thong than, thong tin, thong van
nhanh cau » nhanh cay, thanh chau, nhanh ha
tung cao » nung cao, truong cao, trung cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu sang) or (chieu sang)) - thanh tung cao thong ((thong tan) OR (thong tran)) nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (chieu sang)) - thanh tung cao thong ((thong tan) OR (thong tran)) nhanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sang) or (chieu sang)) - thanh tung cao thong ((thong tan) OR (thong tran)) nhanh cau".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sang) or (chieu sang)) - thanh tung cao thong ((thong tan) OR (thong tran)) nhanh cau*.