Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec ban » viec lam, viec va, viec tai
van hanh » van thanh, ban hanh, van anh
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach kem
ban hue » van hue, ban huyen, bach hue
hue van » he van, que van, huyen van
vai cua » hai cua, lai cua, bai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu viec ban hue van hanh ((vai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang xa hoi. hieu viec ban hue van hanh ((vai cua) OR (dai cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) nang xa hoi. hieu viec ban hue van hanh ((vai cua) or (dai cua)) triet*".