Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
hang hai » hoang hai, hang tai, thanh hai
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam
luc va » duc va, loc va
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
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 sach y nang ((ma hoi) or (mai khoi)). hieu ve cam ((luc va) or (tuc va)) hang hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai khoi)). hieu ve cam ((luc va) OR (tuc va)) hang hai cua te.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (mai khoi)). hieu ve cam ((luc va) or (tuc va)) hang hai cua te*.