Perhaps you should try some spelling variations:
tranh thong » tran thong, tranh trong, trinh thong
thieu hach » thien hach, chieu sach, hieu cach
quan dang » quang dang, quan lang, quan dong
dang cong » dung cong
nhan cach » phan cac
cong dan » cong san, cong tan, huong dan
phan van » pham van, thanh van, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu hach - tranh thong quan dang cong dan ((phan van) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu hach - tranh thong quan dang cong dan ((phan van) OR (nhan cach))*.