Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
danh lai » danh sai, gianh lai, dinh lam
nam duoc » nam thuoc, da duoc, dat duoc
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
lai cua » dai cua, hai cua, lai chau
cam duc » cao duc, pham duc, lam duoc
ky sang » ky nang, ky dang, ky tang
va danh » va dinh, va dan, va hanh
te cac » tu cac, ve cac, te cao
cua te » cua 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 cac ky sang mai hoi. hieu ve ((((cam duc) OR (nam duoc))) or (cam xuc)) va danh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky sang mai hoi. hieu ve ((((cam duc) OR (nam duoc))) OR (cam xuc)) va danh lai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky sang mai hoi. hieu ve ((((cam duc) OR (nam duoc))) or (cam xuc)) va danh lai cua te".
• Adding a wildcard symbol may retrieve word variants: te cac ky sang mai hoi. hieu ve ((((cam duc) OR (nam duoc))) or (cam xuc)) va danh lai cua te*.