Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
sang tai » hang tai, sang tao, tang tai
vu kham » vu khanh
va hanh » van hanh, va thanh, va danh
tai hoi » tai khoi, dai hoi, tai hai
vu cham » va cham, tu cham, qua cham
sac ky » sai ky
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: tu ((sac ky) OR (cac ky)) sang tai hoi. hieu ((vu cham) or (vu kham)) duc va hanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) sang tai hoi. hieu ((vu cham) OR (vu kham)) duc va hanh dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) sang tai hoi. hieu ((vu cham) or (vu kham)) duc va hanh dai cua te*".