Perhaps you should try some spelling variations:
bach hoa » bach khoa, bach ha, cach hoan
cuu cong » cua cong, thu cong, cac cong
tac dung » xay dung, tin dung, van dung
khoa hoc » hoa hoc
cua phap » va phap, cua nha, cua nhan
phap van » pham van, phan van, phap han
hoa tap » khoa tap, hoc tap, hoa tan
hoi cua » hoi chuc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach hoa tap, nghien cuu cong ((tac dung) OR (sach dung)) khoa hoc xa hoi cua phap van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach hoa tap, nghien cuu cong ((tac dung) OR (sach dung)) khoa hoc xa hoi cua phap van".
• Adding a wildcard symbol may retrieve word variants: vu bach hoa tap, nghien cuu cong ((tac dung) OR (sach dung)) khoa hoc xa hoi cua phap van*.