Perhaps you should try some spelling variations:
thanh vai » thanh van, thanh tai, thanh oai
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc tai » thuc thai, thuoc tai, thuc tap
cau treo » cau theo, cau tren, cau triet
su sach » so sach, vu sach
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 cac) or (su sach)) ky nang x hoi. hieu van nam thuc tai ((thanh vai) or (thanh hai)) cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (su sach)) ky nang x hoi. hieu van nam thuc tai ((thanh vai) OR (thanh hai)) cau treo.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (su sach)) ky nang x hoi. hieu van nam thuc tai ((thanh vai) or (thanh hai)) cau treo*.