Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
cap nuoc » dat nuoc
nang tai » hang tai, tang tai, sang tai
van hanh » van thanh, ban hanh, van ban
van anh » van thanh, tuan anh, van minh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
tai hoi » tai khoi, dai hoi, tai hai
ty nang » ky nang, ty xang, ty hang
vi hoa » voi hoa, vi hoc, va hoa

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 ty nang tai hoi. bieu hien ((cap nuoc) or (cam xuc)) ((van hanh) OR (van anh)) vi hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang tai hoi. bieu hien ((cap nuoc) OR (cam xuc)) ((van hanh) OR (van anh)) vi hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang tai hoi. bieu hien ((cap nuoc) or (cam xuc)) ((van hanh) OR (van anh)) vi hoa viet".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang tai hoi. bieu hien ((cap nuoc) or (cam xuc)) ((van hanh) OR (van anh)) vi hoa viet*.