Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
cham cuc » cham cuu, pham cuc, pham chuc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cuc ban » cua ban, cac ban, cuu ban
cua tre » cua te, cuu tre, dua tren
san ky » sang ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((san ky) OR (van ky)) nang xa hoi. hieu ve cham cuc ban thanh tai ((cua triet) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((san ky) OR (van ky)) nang xa hoi. hieu ve cham cuc ban thanh tai ((cua triet) OR (cua tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((san ky) OR (van ky)) nang xa hoi. hieu ve cham cuc ban thanh tai ((cua triet) or (cua tre))*".