Perhaps you should try some spelling variations:
dang bai » dung bai, dang hai, dang ba
qua chao » qua cham, qua cho, qua khao
ban hanh » ban hang
bai hoi » bai choi, bai hoc, dai hoi
sac ky » sai ky
xu ban » xuc ban, tu ban, vu ban
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) OR (cac ky)) dang bai hoi. hieu qua chao xu ban hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) dang bai hoi. hieu qua chao xu ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) dang bai hoi. hieu qua chao xu ban hanh vi cua te*.