Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
so sach » so sanh, bo sach, co sach
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » nang x, lang xa, nang ma
te sach » toc sach
cu tren » tu tren, dua tren
va dan » va dao, va dau, va dap
ca dan » cac dan, ca dao
vi cu » vi su, vi xu, vi du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (te sach)) ky nang xa hoi. hieu vien cac xuc ((va dan) or (ca dan)) vi cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (te sach)) ky nang xa hoi. hieu vien cac xuc ((va dan) OR (ca dan)) vi cu tren.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (te sach)) ky nang xa hoi. hieu vien cac xuc ((va dan) or (ca dan)) vi cu tren*.