Perhaps you should try some spelling variations:
pho chong » pho thong, pho cong, phong chong
chong doc » chong dich, chon loc, hong duc
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
tin hoc » sinh hoc
cuu mon » cuu mo, cuu cong, cuu tong
cuu mot » cua mot, cuu mo, huu mot
hoi cua » hoi chuc
tu tin » thu tin, tu tieng, tru tinh
doc xa » duoc xa, hoc xa, do xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu tin hoc tap, nghien ((cuu mon) OR (cuu mot)) hoc pho chong doc xa hoi cua nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu tin hoc tap, nghien ((cuu mon) OR (cuu mot)) hoc pho chong doc xa hoi cua nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu tin hoc tap, nghien ((cuu mon) OR (cuu mot)) hoc pho chong doc xa hoi cua nhan dan*.