Perhaps you should try some spelling variations:
quyen tai » xuyen tai, nguyen tai, truyen tai
dung cong » dung trong
banh kem » hanh kem, banh keo, sach kem
tao dung » tac dung, tan dung, tao dong
cuc chu » cua chu, cuc thue, coc chiu
cac chu » cac thu, cac che, cac khu
ban kem » hanh kem, banh keo
ban ke » ban ve, ban le, ban ky
mo tao » mo tai, mo ta, mo mao

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

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