Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
ban thanh » ban hanh, ban hang
su triet » su viet, su tien, ve triet
su hien » su kien, su tien, thu hien
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
te sai » te tai, te bai, te lai
sai ky » sac ky
cam tu » cam thu, dam tu, tam tu
nam tu » nam thu, nam thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky nang xa hoi. hieu ve ((cam tu) OR (nam tu)) ban thanh tai ((su triet) or (su hien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang xa hoi. hieu ve ((cam tu) OR (nam tu)) ban thanh tai ((su triet) OR (su hien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang xa hoi. hieu ve ((cam tu) OR (nam tu)) ban thanh tai ((su triet) or (su hien))".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang xa hoi. hieu ve ((cam tu) OR (nam tu)) ban thanh tai ((su triet) or (su hien))*.