Perhaps you should try some spelling variations:
thanh lap » thanh san, thanh hai, thanh van
hieu van » hieu va, thien van, lieu va
phan lap » phan dau
va triet » va thiet, va trien, ve triet
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van bac » van ban, van bao, van hac
bac tu » ban tu, tac tu, cac tu
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu van bac tu ban ((thanh lap) OR (phan lap)) va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu van bac tu ban ((thanh lap) OR (phan lap)) va triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu van bac tu ban ((thanh lap) OR (phan lap)) va triet*.