Perhaps you should try some spelling variations:
ban hanh » ban hang
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
xuc ban » duc ban, cuc ban, quoc ban
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang xa hoi. hieu ((ve cam) or (ve cac)) xuc ban hanh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc ban hanh vi cau tren*.