Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
van trong » van truong, vang trong, ban trong
hoc hieu » hoc thieu, hoc hien, doc hieu
tran van » luan van
cong dat » cong dan, dong dat, cong da
dat khan » dat khanh, dat thanh, bat khanh
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) OR (toc thieu)) manh - thanh tran van trong cong dat khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (toc thieu)) manh - thanh tran van trong cong dat khan cap*".