Perhaps you should try some spelling variations:
trung phan » trung thanh, trung ha, dung phan
chong cong » cong cong, thong cong, cuong cong
hieu lang » chieu sang, hieu quang, nhieu tang
tung pham » hung pham, nhung pham, dung phan
toc hieu » toc thieu, doc hieu, hoc thieu
cong dan » cong san, cong tan, huong dan
ca ban » cua ban, can ban, cac ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu lang - thanh ((trung phan) or (tung pham)) chong cong dan ca ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu lang - thanh ((trung phan) OR (tung pham)) chong cong dan ca ban*.