Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
tang lai » trang lai, tang loi, mang lai
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
vu chao » vu cao, vu chat, vu cho
vi cua » vai cua, di cua
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
cua te » cua tu
xu va » xu van, tu va, su va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky ((tang lai) OR (tang tai)) hoi. hieu ((vu chao) or (vu cham)) xu va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky ((tang lai) OR (tang tai)) hoi. hieu ((vu chao) OR (vu cham)) xu va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky ((tang lai) OR (tang tai)) hoi. hieu ((vu chao) or (vu cham)) xu va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu dan ky ((tang lai) OR (tang tai)) hoi. hieu ((vu chao) or (vu cham)) xu va hanh vi cua te*.