Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
bach tuoc » sach duoc, sach nuoc
tuoc gia » quoc gia, toc gia, luoc gia
thanh va » thanh van, hanh va, thanh ha
sach ky » sach y, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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 ky) or (sac ky)) lang xa hoi. hieu vien bach tuoc gia thanh va ((cuu tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sac ky)) lang xa hoi. hieu vien bach tuoc gia thanh va ((cuu tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sac ky)) lang xa hoi. hieu vien bach tuoc gia thanh va ((cuu tre) or (cua tu))*.