Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh vai » thanh hai, thanh van, thanh oai
vu khach » vu khanh, vu khac, vay khach
cam loc » cam lo
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
loc va » hoc va, luc va
va cam » va cham, va cac, va cao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ((ky danh) or (ky nang)) xay hoi. hieu va cam loc va ((thanh vai) OR (thanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ((ky danh) OR (ky nang)) xay hoi. hieu va cam loc va ((thanh vai) OR (thanh tai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ((ky danh) or (ky nang)) xay hoi. hieu va cam loc va ((thanh vai) OR (thanh tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: vu khach ((ky danh) or (ky nang)) xay hoi. hieu va cam loc va ((thanh vai) OR (thanh tai)) cua te*.