Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
bach luan » sach luan, hoach luan, binh luan
bach xuan » anh xuan, bach qua, sach luan
dinh vai » dinh van, dinh vi, dinh va
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
cua tuc » cua duc, cua thuoc, luat tuc
y nang » ky nang, ly nang, v nang
cua tu » cua su, cua cu, cua te

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 y nang xa hoi. hieu vien ((bach luan) or (bach xuan)) va dinh vai ((cua tu) OR (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. hieu vien ((bach luan) OR (bach xuan)) va dinh vai ((cua tu) OR (cua tuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. hieu vien ((bach luan) or (bach xuan)) va dinh vai ((cua tu) OR (cua tuc))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu vien ((bach luan) or (bach xuan)) va dinh vai ((cua tu) OR (cua tuc))*.