Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
thai cua » than cua, tai cuc, tri cua
nang xa » nang x, lang xa, nang ma
lang ha » long ha
hai cua » dai cua, hoi cua, lai cua
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, xuc ban
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((nang xa) or (lang ha)) hoi. hieu ve cac xuc van hanh ((hai cua) OR (thai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang xa) OR (lang ha)) hoi. hieu ve cac xuc van hanh ((hai cua) OR (thai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky ((nang xa) or (lang ha)) hoi. hieu ve cac xuc van hanh ((hai cua) OR (thai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang xa) or (lang ha)) hoi. hieu ve cac xuc van hanh ((hai cua) OR (thai cua)) triet*.