Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
ve triet » va trien, su triet
sach thu » sach thue, sach thieu, sach tham
va thanh » gia thanh, ban thanh, va tinh
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sac ky » cac ky
va cau » van cau, va cac, va dau
van ve » van de, ban ve, van le

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 thu) or (((sai ky) OR (sac ky)))) nang xa hoi. hieu va cau truc va thanh van ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (((sai ky) OR (sac ky)))) nang xa hoi. hieu va cau truc va thanh van ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) or (((sai ky) OR (sac ky)))) nang xa hoi. hieu va cau truc va thanh van ve triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) or (((sai ky) OR (sac ky)))) nang xa hoi. hieu va cau truc va thanh van ve triet*.