Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
cac xuc » cam xuc, cac nuoc, chat xuc
co sach » cuon sach, hoc sach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
bo sach » hoc sach
ve cac » va cac, vien cac
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co sach) OR (bo sach)) tu nang xa hoi. hieu ve cac xuc ((ban hanh) or (va thanh)) vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co sach) OR (bo sach)) tu nang xa hoi. hieu ve cac xuc ((ban hanh) OR (va thanh)) vi va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co sach) OR (bo sach)) tu nang xa hoi. hieu ve cac xuc ((ban hanh) or (va thanh)) vi va triet".
• Adding a wildcard symbol may retrieve word variants: ((co sach) OR (bo sach)) tu nang xa hoi. hieu ve cac xuc ((ban hanh) or (va thanh)) vi va triet*.