Perhaps you should try some spelling variations:
sang mai » sang ma, sang tai, lang mai
nam duoc » nam thuoc, da duoc, dat duoc
sinh lam » dinh lam, sinh ly, sinh vat
lam chat » luan chat, cao chat, ly chat
chat tre » chay tren, chat tai, cho tre
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
va sinh » va kinh, va tinh, vi sinh
te sai » te tai, te bai, te lai
sai ky » sac 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 sai ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va sinh lam chat tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky sang mai hoi. hieu ve ((nam duoc) OR (cam xuc)) va sinh lam chat tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky sang mai hoi. hieu ve ((nam duoc) or (cam xuc)) va sinh lam chat tre*.