Perhaps you should try some spelling variations:
ban thanh » ban hanh
cham thuc » nham thuc, pham thuc, tham thuc
cua triet » cua viet, su triet, va triet
ban hang » ngan hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
doi cua » dai cua, hoi cua
te sai » te tai, te bai, te lai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky nang xa hoi. hieu ve cham thuc ((ban thanh) OR (ban hang)) doi cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang xa hoi. hieu ve cham thuc ((ban thanh) OR (ban hang)) doi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang xa hoi. hieu ve cham thuc ((ban thanh) OR (ban hang)) doi cua triet*.