Perhaps you should try some spelling variations:
tang lai » trang lai, tang loi, mang lai
tang tai » hang tai, dung tai, sang tao
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
cham xu » chao xu, cham cuu, chat xuc
hieu vu » hieu va, hieu ve, hieu su
vi cua » vai cua, di cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 sac ky ((tang lai) OR (tang tai)) hoi. hieu vu cham xu va hanh ((vi cua) or (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((tang lai) OR (tang tai)) hoi. hieu vu cham xu va hanh ((vi cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((tang lai) OR (tang tai)) hoi. hieu vu cham xu va hanh ((vi cua) or (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((tang lai) OR (tang tai)) hoi. hieu vu cham xu va hanh ((vi cua) or (dai cua)) te*.