Perhaps you should try some spelling variations:
tham truc » tham thuc, nham thuc, pham thuc
hoc sach » hoc sinh, hoc cac, hoc anh
lieu van » lieu va, hieu van, sieu van
van tham » van thanh, van tuan, van chat
va nang » van nang, da nang, kha nang
vu nang » vuc nang, vu dang, v nang
truc va » thuc va, thuc vat, trung va
va hang » van hang, va lang, va hanh
hang di » hang doi, hang vi, hang dien
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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