Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan giai » dan gian, luan giai, va giai
giai cao » giai ca, giai cac, giai bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: nhu ((hieu lang) or (chieu sang)) - hanh ((trung cua) or (trung cap)) dang cong dan giai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nhu ((hieu lang) OR (chieu sang)) - hanh ((trung cua) OR (trung cap)) dang cong dan giai cao.
• Adding a wildcard symbol may retrieve word variants: nhu ((hieu lang) or (chieu sang)) - hanh ((trung cua) or (trung cap)) dang cong dan giai cao*.