Perhaps you should try some spelling variations:
xuyen tai » xuyen tac, nguyen tai, truyen tai
cac thuat » va thuat, hoc thuat, cac thu
cong cong » cong dong, trong cong, dung cong
cac chu » cac thu, cac khu, ca chu
cac che » cac he, cac chien, cac chat
ban le » ban ve
ky tai » ky thi, kg tai, ty tai

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

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