Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sang tai » hang tai, sang tao, tang tai
thanh vi » hanh vi, thanh va, thanh ve
sang lap » sang tao, sang ma, dan lap
su chao » su cao, sau chan
hieu su » hieu sau, tieu su, hieu so
vi cua » vai cua, di cua
xu ban » xuc ban, tu ban, vu ban
sac ky » cac 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 (sai ky)) ((sang lap) or (sang tai)) hoi. hieu su chao xu ban thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) ((sang lap) OR (sang tai)) hoi. hieu su chao xu ban thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (sai ky)) ((sang lap) or (sang tai)) hoi. hieu su chao xu ban thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (sai ky)) ((sang lap) or (sang tai)) hoi. hieu su chao xu ban thanh vi cua te*.