Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thanh ve » hanh ve, thanh va, thanh vien
lieu van » lieu va, hieu van, sieu van
van pham » san pham, van phan, van phat
cua tre » cua te, cua triet, dua tren
hanh va » hang va, hanh vi
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
thuc va » thuc vat, thuc dan, thuc day
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cuu tre » cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang xa hoi. lieu van pham thuc va ((thanh ve) or (hanh va)) ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu van pham thuc va ((thanh ve) OR (hanh va)) ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. lieu van pham thuc va ((thanh ve) or (hanh va)) ((cua tre) or (cuu tre))*.