Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van cham » van chat, van tham, va cham
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
sach ky » sach y, sach ty, sach kem
hanh vu » hanh vi, hanh va, hanh tu
sac ky » cac ky, sai ky
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vu va » vu van, tu va, su va

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 ky) or (sac ky)) nang xa hoi. thi van cham ((xuc va) or (tuc va)) hanh vu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang xa hoi. thi van cham ((xuc va) OR (tuc va)) hanh vu va triet.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) nang xa hoi. thi van cham ((xuc va) or (tuc va)) hanh vu va triet*.