Perhaps you should try some spelling variations:
van quang » van quan, tran quang, van tuan
van nhan » van phan, van thanh, danh nhan
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
nhan luc » nang luc
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
tu sach » thu sach, su sach, te sach
luc va » duc va, tuc va, loc va
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((v nang) or (van quang)) xa hoi. hieu van nhan luc va thanh ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v nang) OR (van quang)) xa hoi. hieu van nhan luc va thanh ((vai cua) OR (hai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) or (van quang)) xa hoi. hieu van nhan luc va thanh ((vai cua) or (hai cua)) tre*.