Perhaps you should try some spelling variations:
hang dien » quang dien, dang dieu, nhan dien
hoc sach » hoc sinh, hoc cac, hoc anh
tham tuc » tham thuc, thai tuc, nham thuc
lieu van » lieu va, hieu van, sieu van
van tham » van thanh, van tuan, van chat
va nang » van nang, da nang, cam nang
va hang » van hang, va lang, va hanh
vu nang » vuc nang, vu dang, v nang
cua tre » cuu tre, cua triet, dua tren
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((vu nang) or (va nang)) xa hoi. lieu van tham tuc va hang dien ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((vu nang) OR (va nang)) xa hoi. lieu van tham tuc va hang dien ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ((vu nang) or (va nang)) xa hoi. lieu van tham tuc va hang dien ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: hoc sach ((vu nang) or (va nang)) xa hoi. lieu van tham tuc va hang dien ((cua tre) OR (cua te))*.