Perhaps you should try some spelling variations:
thieu nien » thien nhien
nien cau » hien cau, nien dau, khien cau
chuc tre » thuc tre, chuc theo, chuc thi
thu sach » thuat sach, thuoc sach, thu hoach
hanh hoi » hanh thoi, hanh noi, hanh hoa
cau chu » cau chiu, ca chu, cac chu
va hanh » van hanh, va thanh, va danh
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
thuc te » thuc tien
chu va » chu van, chuc va, chua va

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) or (thu sach)) ky nang xa hoi. thieu nien cau chu va hanh hoi ((chuc tre) OR (thuc te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky nang xa hoi. thieu nien cau chu va hanh hoi ((chuc tre) OR (thuc te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) ky nang xa hoi. thieu nien cau chu va hanh hoi ((chuc tre) OR (thuc te))*".