Perhaps you should try some spelling variations:
trung cap » truong cao, trung tam
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc thieu
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh 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 hien) or (doc hieu)) xanh - thanh ((dung cua) or (trung cap)) tong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doc hieu)) xanh - thanh ((dung cua) OR (trung cap)) tong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doc hieu)) xanh - thanh ((dung cua) or (trung cap)) tong cong dan chan cau*.