Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
xang tai » hang tai, tang tai, sang tai
cap nuoc » dat nuoc
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
sach ty » sach y, sach tu, sach thu
tai hoi » tai khoi, dai hoi, tai hai
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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