Perhaps you should try some spelling variations:
su sach » vu sach
doi cua » dai cua, hoi cua, dong cua
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
so sach » so sanh, bo sach, co sach
luc va » duc va, tuc va, loc va
di cua » dai cua, de cua, do cua
ve cam » ve cham, ve cac, va cam

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 (so sach)) ly nang xa hoi. hieu ve cam luc va hanh ((di cua) or (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ly nang xa hoi. hieu ve cam luc va hanh ((di cua) OR (doi cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ly nang xa hoi. hieu ve cam luc va hanh ((di cua) or (doi cua)) tre*.