Perhaps you should try some spelling variations:
nang nhan » nang phan, bang nhan, nang han
toc sach » hoc sach, doc sach, thuoc sach
thi nang » thi cong, ki nang, thi hanh
nhan tuc » nhan thuc, nhan luc, nhanh thuc
ty lang » tay lang, ty hang, tu lang
va hang » van hang, va nang, va lang
hang vi » hang va, hanh vi, hang di
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((ty lang) or (ty xang)) xa hoi. thi nang nhan tuc va hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ty lang) OR (ty xang)) xa hoi. thi nang nhan tuc va hang vi cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ((ty lang) or (ty xang)) xa hoi. thi nang nhan tuc va hang vi cua te*.