Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
soc may » hoc may, so may
tinh te » kinh te, tinh tu, tinh he
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
te cua » tue cua, le cua, de 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: tu sach y nang ma hoi. hieu ((ve cham) or (va cham)) soc may tinh te cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu ((ve cham) OR (va cham)) soc may tinh te cua te*.