Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
sang lap » sang tao, sang ma, dan lap
sang tai » hang tai, sang tao, tang tai
su sach » so sach
vai cua » dai cua, hai cua, lai cua
vuc van » duc van, luc van, thuc van
cac vuc » cac nuoc, cac vung, cac cuoc
hieu ve » hieu va, hieu van
vu sach » vu bach, vu khach
ve cac » va cac, vien cac
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: ((su sach) or (vu sach)) ky ((sang lap) or (sang tai)) hai. hieu ve cac vuc van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky ((sang lap) OR (sang tai)) hai. hieu ve cac vuc van hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky ((sang lap) or (sang tai)) hai. hieu ve cac vuc van hanh vai cua te*.