Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
va triet » va thiet, va trien, ve triet
hieu van » hieu va, thien van, lieu va
hanh lam » hanh kem, hanh va, dinh lam
chat xuc » chat huu, cam xuc, chao xu
van chat » cao chat
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
xuc van » duc van, luc van, vuc van
nang xa » nang x, nang ma, mang xa
su sach » so sach, vu sach

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

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