Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
ve triet » va trien, su triet
va thanh » gia thanh, ban thanh, va tinh
toan ve » toan va, toan ke, toan von
cam thu » nam thu, cac thu, ca thu
sang ky » sang kyo, dang ky, bang ky
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tang ky » dang ky, trong ky, tang khu
cam tu » nam tu, dam tu, tam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sang ky) OR (tang ky)) lang xa hoi. hieu ve ((cam tu) or (cam thu)) va thanh toan ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sang ky) OR (tang ky)) lang xa hoi. hieu ve ((cam tu) OR (cam thu)) va thanh toan ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sang ky) OR (tang ky)) lang xa hoi. hieu ve ((cam tu) or (cam thu)) va thanh toan ve triet*".