Perhaps you should try some spelling variations:
khanh thi » nhanh thi, khanh thu, nhanh thai
vu khanh » vu thanh, van khanh, duy khanh
thi hanh » thi thanh
dai tien » dai tieng, dau tien, cai tien
hanh xa » hanh va, hanh ma, hanh xu
van cau » van dau, van hau, van chat
xuc may » xuc hay, truc may, phuc may
tinh vi » trinh vi, tinh voi, tinh va
va cau » va cac, va dau, va cao
vi dai » si dai, li dai, vien dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khanh thi hanh xa hoi. lieu ((va cau) OR (van cau)) xuc may tinh vi dai tien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khanh thi hanh xa hoi. lieu ((va cau) OR (van cau)) xuc may tinh vi dai tien".
• Adding a wildcard symbol may retrieve word variants: vu khanh thi hanh xa hoi. lieu ((va cau) OR (van cau)) xuc may tinh vi dai tien*.