Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
bach tuoc » sach duoc, sach nuoc
hieu vien » hieu hien, hieu viec, thieu nien
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
tuoc va » thuoc va, nuoc va, duoc va
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ky) OR (sac ky)) nang xa hoi. ((hieu vien) or (nhieu viec)) bach tuoc va hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) nang xa hoi. ((hieu vien) OR (nhieu viec)) bach tuoc va hanh di cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sac ky)) nang xa hoi. ((hieu vien) or (nhieu viec)) bach tuoc va hanh di cuu tre*".