Perhaps you should try some spelling variations:
hieu vien » hieu viec, thieu nien, hieu tieng
hieu hien » bieu hien, dieu hien, chieu chien
chat xuc » chat huu, cam xuc, chao xu
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach ty, sach kem
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
cua te » cua tu

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