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

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) OR (thu san)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc ban hanh vi cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (thu san)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc ban hanh vi cau tren".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (thu san)) ky nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc ban hanh vi cau tren*.