Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran ban » tranh ban, tran van, 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 ((lieu tinh) OR (bien tinh)) - hanh ((trang cua) or (trung cua)) nhung cong tac tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (bien tinh)) - hanh ((trang cua) OR (trung cua)) nhung cong tac tran ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) OR (bien tinh)) - hanh ((trang cua) or (trung cua)) nhung cong tac tran ban".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) OR (bien tinh)) - hanh ((trang cua) or (trung cua)) nhung cong tac tran ban*.