Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc van » thuc vat, thuc dan, thuc va
hanh van » thanh van, khanh van, hanh san
tu cach » tu cac
vu sach » vu bach, su sach, vu khach
hanh va » hang va, hanh vi
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (vu sach)) ky nang x hoi. hieu van nam thuc van ((hanh van) or (hanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (vu sach)) ky nang x hoi. hieu van nam thuc van ((hanh van) OR (hanh va)) cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (vu sach)) ky nang x hoi. hieu van nam thuc van ((hanh van) or (hanh va)) cua te*.