Perhaps you should try some spelling variations:
ban hanh » ban hang
thai va » thai van
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, te sach, tu cach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
hai va » hai van, hoi va, mai va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (su sach)) ky nang xa hoi. hieu ve cam xuc ban hanh ((hai va) OR (thai va)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu ve cam xuc ban hanh ((hai va) OR (thai va)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (su sach)) ky nang xa hoi. hieu ve cam xuc ban hanh ((hai va) OR (thai va)) triet*".