Perhaps you should try some spelling variations:
cua triet » su triet, va triet
xa thanh » ha thanh, ta thanh, gia thanh
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
te cach » ve cach, te sach, tu cach
cach tu » cach thuc
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
qua cao » qua cac, qua ca, qua cai
cao tuc » dao tuc, cao duc, cao suc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cach tu nang xa hoi. hieu qua cao tuc ((xa thanh) or (va thanh)) van ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach tu nang xa hoi. hieu qua cao tuc ((xa thanh) OR (va thanh)) van ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach tu nang xa hoi. hieu qua cao tuc ((xa thanh) or (va thanh)) van ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: te cach tu nang xa hoi. hieu qua cao tuc ((xa thanh) or (va thanh)) van ((cua triet) OR (cua viet))*.