Perhaps you should try some spelling variations:
kho tang » cao tang
ban hanh » ban hang
chao vu » chao xu, cao vu, chao chu
ky tang » ky nang, ky dang, ky trong
hanh di » hanh vi, hanh de, hang di
tai hoi » tai khoi, dai hoi, tai hai
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
di cua » dai cua, doi cua, de cua
tu sac » tu sach, tu cac, tu san
vu ban » tu ban, va ban
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 tang) OR (kho tang)) tai hoi. hieu ve chao vu ban hanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky tang) OR (kho tang)) tai hoi. hieu ve chao vu ban hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky tang) OR (kho tang)) tai hoi. hieu ve chao vu ban hanh di cua te*.