Perhaps you should try some spelling variations:
tang mai » tang ma, tang tai, lang mai
thai cua » than cua, tai cuc, tri cua
va danh » va dinh, va dan, va hanh
ky tang » ky nang, ky dang, kho tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cam duc » cao duc, pham duc, nam duoc
hai cua » dai cua, hoi cua, lai cua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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 tang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh ((hai cua) or (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang mai hoi. hieu ve ((cam duc) OR (cam xuc)) va danh ((hai cua) OR (thai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang mai hoi. hieu ve ((cam duc) or (cam xuc)) va danh ((hai cua) or (thai cua)) tre*.