Perhaps you should try some spelling variations:
thuy san » thuat san, thuy anh
lang mai » lang dai, lang hai, lang man
thu san » thu ban, phu san, thuat san
va chat » van chat, va phat, cao chat
hang vi » hang va, hanh vi, hang di
cuc ban » cac ban, cuu ban, duc ban
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
ky lang » ky nang, ky dang, ky tang
vi cua » vai cua, di cua
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: ((thu san) or (thuy san)) ky lang mai hoi. hieu va chat ((cuc ban) OR (cua ban)) hang vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu san) OR (thuy san)) ky lang mai hoi. hieu va chat ((cuc ban) OR (cua ban)) hang vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu san) or (thuy san)) ky lang mai hoi. hieu va chat ((cuc ban) OR (cua ban)) hang vi cua te*".