Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
nang mai » nang ma, nang tai, lang mai
cua quoc » cua nuoc, cua thuoc
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
mai hoi » mai khoi, dai hoi, lai hoi
xuc van » duc van, luc van, vuc van
ve cac » va cac, vien cac
y nang » ky nang, ly nang, v nang
ve cam » ve cham, va cam, ve cai
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 y nang mai hoi. hieu ((ve cam) or (ve cac)) xuc van thanh vi ((cua quoc) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang mai hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh vi ((cua quoc) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang mai hoi. hieu ((ve cam) or (ve cac)) xuc van thanh vi ((cua quoc) or (cua tu))*.