Perhaps you should try some spelling variations:
thi cong » tai cong, thien cong
cac khu » cac khoi, cac kieu
cac thu » cach thuc, cac thoi
cac che » cac he, cac chien, cac chat
te cong » tai cong, thu cong
ban ve » ban va
ve ky » va ky, ke ky
tuyen » truyen, quyen
dong » dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: tuyen tap ((((cac khu) or (cac thu))) or (cac che)) đe co ban ve ky ((te cong) OR (thi cong)) dong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((((cac khu) OR (cac thu))) OR (cac che)) đe co ban ve ky ((te cong) OR (thi cong)) dong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tuyen tap ((((cac khu) or (cac thu))) or (cac che)) đe co ban ve ky ((te cong) OR (thi cong)) dong".
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((((cac khu) or (cac thu))) or (cac che)) đe co ban ve ky ((te cong) OR (thi cong)) dong*.