Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
cuu tre » cau tren, cau treo
cua tre » cua te, dua tren, cua thep
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
tu sac » tu sach, tu cac, tu san

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

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