Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
cam cuc » cam xuc, pham cuc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
cua te » cua tu
x hoi » xa hoi, o hoi, 5 hoi

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 nang ((x hoi) OR (x ho)). hieu van ((cam cuc) or (cham cuu)) ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((x hoi) OR (x ho)). hieu van ((cam cuc) OR (cham cuu)) ban hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ((x hoi) OR (x ho)). hieu van ((cam cuc) or (cham cuu)) ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((x hoi) OR (x ho)). hieu van ((cam cuc) or (cham cuu)) ban hanh vi cua te*.