Perhaps you should try some spelling variations:
van nang » van quang, van ban, van dong
cham loc » cham soc, chon loc, cham o
te sach » toc sach
hieu tu » chieu tu, hieu tuc, hien tu
tu cham » toc cham, thi cham
va danh » va dinh, va dan, va hanh
v nang » va nang, vu nang, voi nang
loc va » hoc va, luc va

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