Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, thanh san
cua triet » cua viet, su triet, va triet
cau tren » cu tren, dau tren, ca tren
hieu ve » hieu va, hieu van
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, ve cac, va cam
sac ky » cac ky, sai ky
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) OR (doanh tai)) ((cua triet) or (cau tren))~.
• 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) OR (doanh tai)) ((cua triet) OR (cau tren)).
• 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) OR (doanh tai)) ((cua triet) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ve cam cuc ban ((thanh tai) OR (doanh tai)) ((cua triet) or (cau tren))*.