Perhaps you should try some spelling variations:
pham xuat » pham xuan, phan xuat, phat xuat
xuat ban » luat ban, xuat san, thuat ban
ban hanh » ban hang
tai hoi » tai khoi, dai hoi, tai hoe
tai hai » thi hai, dai hai, tai ha
va pham » van pham, va phat, va phap
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: tu cac ky nang ((tai hoi) OR (tai hai)). lieu va pham xuat ban hanh ((vi cua) or (di cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((tai hoi) OR (tai hai)). lieu va pham xuat ban hanh ((vi cua) OR (di cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((tai hoi) OR (tai hai)). lieu va pham xuat ban hanh ((vi cua) or (di cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((tai hoi) OR (tai hai)). lieu va pham xuat ban hanh ((vi cua) or (di cua)) te*.