Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
hanh lam » thanh lap, hanh kem, dinh lam
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
bao tuc » bao thuc, dao tuc, bao luc
van bao » van ban, van dao
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, truc va, tuc xa

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 ty nang xa hoi. hieu van bao tuc va ((((hanh lam) or (hanh va))) or (thanh san)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu van bao tuc va ((((hanh lam) OR (hanh va))) OR (thanh san)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu van bao tuc va ((((hanh lam) or (hanh va))) or (thanh san)) cua triet*.