Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
cuoi cua » doi cua, co cua, con cua
hoi cua » hoi chuc
sang ky » sang kyo, dang ky, tang ky
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tuc va » thuc va, truc va, tuc xa
san ky » van ky, dan ky, ban ky
va cam » va cham, va cac, va cao

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

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