Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
tan hanh » tang hanh, toan hanh, tran hanh
van tieu » van hieu, van tien, vay tieu
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cam duc » cam xuc, cao duc, pham duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. ((hieu van) OR (thien van)) cam duc ((tan hanh) or (tan thanh)) vi van tieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. ((hieu van) OR (thien van)) cam duc ((tan hanh) OR (tan thanh)) vi van tieu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. ((hieu van) OR (thien van)) cam duc ((tan hanh) or (tan thanh)) vi van tieu".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. ((hieu van) OR (thien van)) cam duc ((tan hanh) or (tan thanh)) vi van tieu*.