Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
khang cong » hang cong, thanh cong, dang cong
hoc thieu » hoc hien
van khang » van khanh, van quang, van hanh
van thanh » ban thanh, van tuan
thanh dat » thanh san, thanh hai, thanh van
tran van » luan van
cong van » cong vang, cong san, song van

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) or (toc thieu)) tinh - thanh tran van khang cong van thanh dat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - thanh tran van khang cong van thanh dat*.