Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh phan » thanh phan, anh phan, hanh han
dang cong » dung cong
phan van » pham van, thanh van, luan van
van dang » van dong, van dung, van nang
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan che » han che, phap che, phan thi
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu ca) OR (chieu sach)) - hanh phan van dang cong van phan che~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu ca) OR (chieu sach)) - hanh phan van dang cong van phan che*".