Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu vien » hieu hien, hieu viec, thieu nien
cau treo » cau theo, cau tren, cau triet
danh vai » danh sai, danh va, doanh van
vien cac » vien bach, vien dai, vien da
ta danh » tac danh, tao danh, tap danh
sach ky » sac ky, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cac toc » cac toi, cac nuoc, cac thoi
toc ta » toc tay, toc thai

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 (sach y)) nang xa hoi. hieu vien cac toc ta danh vai ((cua triet) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) nang xa hoi. hieu vien cac toc ta danh vai ((cua triet) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) nang xa hoi. hieu vien cac toc ta danh vai ((cua triet) or (cau treo))*.