Perhaps you should try some spelling variations:
nhan luc » nang luc
te sach » toc sach
ty hang » ly hang, thi hang, thu hang
hieu ve » hieu va, hieu van
ve nhan » ve nha, de nhan, va nhan
va dinh » van dinh, va kinh, va tinh
dinh va » dinh van, dinh ve, tinh va
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty xang) or (ty hang)) xa hoi. hieu ve nhan luc va dinh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty xang) OR (ty hang)) xa hoi. hieu ve nhan luc va dinh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty xang) or (ty hang)) xa hoi. hieu ve nhan luc va dinh va cuu tre*.