Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
hieu van » hieu va, thien van, lieu va
cham tuc » nham thuc, tham thuc, cham soc
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
hanh va » hang va, hanh vi
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu van ((cham tuc) OR (pham thuc)) va ((hanh lai) OR (hanh va)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu van ((cham tuc) OR (pham thuc)) va ((hanh lai) or (hanh va)) cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu van ((cham tuc) OR (pham thuc)) va ((hanh lai) or (hanh va)) cua te*.