Perhaps you should try some spelling variations:
may nang » may nong, ky nang, cam nang
chat hoc » chat hoa, chat thom, cho hoc
thanh ve » hanh ve, thanh va, thanh vien
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
hoc gia » hoc giao, hoc giai, toc gia
y nang » ky nang, ly nang, day nang
v nang » va nang, vu nang, van nang
ve cau » ke cau, va cau, ve cac

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) or (may nang))) or (v nang)) xa hoi. hieu ve chat hoc gia thanh ve cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((((y nang) OR (may nang))) OR (v nang)) xa hoi. hieu ve chat hoc gia thanh ve cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ((((y nang) or (may nang))) or (v nang)) xa hoi. hieu ve chat hoc gia thanh ve cau tren*.