Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
thieu sang » chieu sang, thieu khang, thieu quang
trung chap » trung cap, trung ha, tranh chap
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
hang cau » hang dau, hang ca, nhung cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - thanh trung chap thuong ((cong dan) or (cong dong)) hang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung chap thuong ((cong dan) OR (cong dong)) hang cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh trung chap thuong ((cong dan) or (cong dong)) hang cau*.