Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trang va » hang va
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((kieu tinh) or (lieu tinh)) - thanh ((trang va) OR (tran van)) nhung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((kieu tinh) OR (lieu tinh)) - thanh ((trang va) OR (tran van)) nhung cong dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((kieu tinh) or (lieu tinh)) - thanh ((trang va) OR (tran van)) nhung cong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((kieu tinh) or (lieu tinh)) - thanh ((trang va) OR (tran van)) nhung cong dan toan tap*.