Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
nam thuc » nam thuoc, am thuc, nam thu
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
nam tu » nam thu
vi cau » va cau, ve cau, di cau
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 sai ky nang x hoi. thien van ((nam tu) or (nam thuc)) van thanh vi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang x hoi. thien van ((nam tu) OR (nam thuc)) van thanh vi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang x hoi. thien van ((nam tu) or (nam thuc)) van thanh vi cau tren*.