Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hoc sach » hoc sinh, hoc cac
van phat » va phat, van chat, van phan
va thanh » gia thanh, ban thanh, va tinh
phat duc » pham duc, phan duc, phan duoc
hieu van » hieu va, thien van, lieu va
vai cua » dai cua, hai cua, lai cua
hoc anh » hoc nganh, hoc nhanh, ngoc anh
so sanh » do sanh
nang co » nang cao, nang doc, nang noi
co hoi » co hoc, co loi
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: ((((hoc sach) OR (hoc anh))) or (so sanh)) ky nang co hoi. hieu van phat duc va thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc sach) OR (hoc anh))) OR (so sanh)) ky nang co hoi. hieu van phat duc va thanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((hoc sach) OR (hoc anh))) or (so sanh)) ky nang co hoi. hieu van phat duc va thanh vai cua te*".