Perhaps you should try some spelling variations:
tang dai » tang tai, tang dan, lang dai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
hoc cac » hoc cao
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
xuc gia » duc gia, luc gia, tuc gia
ve cua » de cua, te cua, ve cum
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac ky tang dai hoi. hieu van chat xuc gia thanh ((ve cua) or (le cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac ky tang dai hoi. hieu van chat xuc gia thanh ((ve cua) OR (le cua)) triet.
• Adding a wildcard symbol may retrieve word variants: hoc cac ky tang dai hoi. hieu van chat xuc gia thanh ((ve cua) or (le cua)) triet*.