Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
danh vai » danh sai, danh va, doanh van
hang tai » hang va, dung tai
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
cam luc » cam xuc, cau luc
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu

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 ky ((sang lap) or (hang tai)) hai. hieu ve cam luc va danh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((sang lap) OR (hang tai)) hai. hieu ve cam luc va danh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((sang lap) or (hang tai)) hai. hieu ve cam luc va danh vai cua tu*.