Perhaps you should try some spelling variations:
thieu hach » thien hach, chieu sach, hieu cach
hoc thieu » toc thieu, hoc hien
cong quan » cuong quan, cong quang, tong quan
quan lang » quan hoang, gian lang, quan luan
lang cong » dang cong, bang cong, hang cong
cong dan » cong san, cong tan, huong dan
phan lap » phan dau
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: hoc thieu hach - thanh cong quan lang cong dan ((phan lap) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu hach - thanh cong quan lang cong dan ((phan lap) OR (phan van))*.