Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
cau luc » cau truc, cau phuc
hanh te » hanh tu, hanh ve, hanh de
toc sac » toc sach, toc san, hoc sach
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
cam luc » cam xuc
sac ky » cac ky, sai ky
te cua » tue cua, le cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky nang xa hoi. ((hieu ve) or (hieu va)) ((cam luc) or (cau luc)) van hanh te cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky nang xa hoi. ((hieu ve) OR (hieu va)) ((cam luc) OR (cau luc)) van hanh te cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sac ky nang xa hoi. ((hieu ve) or (hieu va)) ((cam luc) or (cau luc)) van hanh te cua triet*.