Perhaps you should try some spelling variations:
cac thoi » cac hop, cac tro, cac thu
danh vai » danh sai, danh va, doanh van
te sach » toc sach
ta danh » tac danh, tao danh, tap danh
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
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 nang xa hoi. hieu ve ((cac thoi) OR (cac toi)) ta danh vai ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve ((cac thoi) OR (cac toi)) ta danh vai ((cua tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ve ((cac thoi) OR (cac toi)) ta danh vai ((cua tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve ((cac thoi) OR (cac toi)) ta danh vai ((cua tre) or (cua tu))*.