Perhaps you should try some spelling variations:
thanh trung » thanh tung
trien tinh » trieu tinh, trien kinh, trien minh
khien tinh » thien tinh, khien thich, bien tinh
danh quang » doanh quang, dang quang, dinh quang
cong danh » cuong danh, cong dan, cong thanh
quang cao » nang cao, quang nam
trung la » trung lap, trung ha, trung va
la trong » lam trong, lap trong, le trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trien tinh) or (khien tinh)) - thanh trung la trong cong danh quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trien tinh) OR (khien tinh)) - thanh trung la trong cong danh quang cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((trien tinh) or (khien tinh)) - thanh trung la trong cong danh quang cao*.