Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
hang tai » hang va, dung tai
te sach » toc sach
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
cuc tre » duc tre, cua tre, cuu tre
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky lang) OR (ky nang)) mai khoi. hieu ve cam ((xuc van) or (duc van)) hang tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky lang) OR (ky nang)) mai khoi. hieu ve cam ((xuc van) OR (duc van)) hang tai cuc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky lang) OR (ky nang)) mai khoi. hieu ve cam ((xuc van) or (duc van)) hang tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky lang) OR (ky nang)) mai khoi. hieu ve cam ((xuc van) or (duc van)) hang tai cuc tre*.