Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
bieu thien » bieu hien, dieu khien, bien phien
hach quan » sach quan, hoach quang, thanh quan
vi hang » voi hang, va hang, vi hanh
quan vi » quan li, quan tri, quan doi
tu cach » tu cac
nang xa » nang x, lang xa, nang ma
te sach » toc sach
va cuu » va chu, va huu
va cau » van cau, va cac, va dau

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 (te sach)) ky nang xa hoi. bieu thien hach quan vi hang ((va cuu) or (va cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky nang xa hoi. bieu thien hach quan vi hang ((va cuu) OR (va cau)) tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang xa hoi. bieu thien hach quan vi hang ((va cuu) or (va cau)) tre*.