Perhaps you should try some spelling variations:
may minh » may tinh, mai minh, van minh
te sach » toc sach
hoi cua » hoi chuc
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao

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 ((ly nang) OR (ly vang)) ma hoi. hieu va cam tuc ((may minh) or (gia thanh)) hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) ma hoi. hieu va cam tuc ((may minh) OR (gia thanh)) hoi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ly nang) OR (ly vang)) ma hoi. hieu va cam tuc ((may minh) or (gia thanh)) hoi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) OR (ly vang)) ma hoi. hieu va cam tuc ((may minh) or (gia thanh)) hoi cua tre*.