Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
tien cong » thien cong, trien cong, tien luong
trac chu » tran chau, truc chua, tac cho
dat tien » dat thien, dau tien, tat tien
cac chu » cac thu, cac che, cac khu
ban kym » ban kem
ban ky » van ky, dan ky
tuyen » truyen, quyen

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 ((trac chu) OR (cac chu)) đe co ((ban ky) or (ban kym)) dat tien cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((trac chu) OR (cac chu)) đe co ((ban ky) OR (ban kym)) dat tien cong cong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tuyen tap ((trac chu) OR (cac chu)) đe co ((ban ky) or (ban kym)) dat tien cong cong".
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((trac chu) OR (cac chu)) đe co ((ban ky) or (ban kym)) dat tien cong cong*.