Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hang » ngan hang
cao hoi » cau hoi, co hoi, cao hoc
van lam » van nam
lam xuc » cam xuc, lam duoc
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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