Perhaps you should try some spelling variations:
thieu nien » thien nhien
phan danh » phan dang, phan dinh, phan anh
toc sach » hoc sach, doc sach, thuoc sach
sach thi » sach thu, sach tai, sach thieu
thi nang » thi cong, ki nang, thi hanh
danh sai » dung sai, danh bat, danh dau
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
bich ha » bach ha
sai cau » lai chau, mai chau, hai chau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach thi nang xa hoi. thieu nien ((bich ha) OR (bich nga)) phan danh sai cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach thi nang xa hoi. thieu nien ((bich ha) OR (bich nga)) phan danh sai cau tren".
• Adding a wildcard symbol may retrieve word variants: toc sach thi nang xa hoi. thieu nien ((bich ha) OR (bich nga)) phan danh sai cau tren*.