Perhaps you should try some spelling variations:
vu sach » su sach, vu khach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
va don » va dong, va doc, va do
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: ((vu sach) or (vu bach)) ty nang xa hoi. hieu ve cac xuc va don vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu bach)) ty nang xa hoi. hieu ve cac xuc va don vi ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu bach)) ty nang xa hoi. hieu ve cac xuc va don vi ((cua te) or (cua tu))*.