Perhaps you should try some spelling variations:
chat quang » chat luong, pham quang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
quang cong » quang cuong, quang dong, quang hoang
hanh tinh » hanh trinh, thanh tinh, canh tinh
dan thanh » dang thanh, danh thanh, ban thanh
thanh ban » thanh san, thanh van, thanh bac
hoc dieu » hoc thieu
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc dieu) or (hoc hien)) sach - ((hanh tinh) OR (nhanh tinh)) chat quang cong dan thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc hien)) sach - ((hanh tinh) OR (nhanh tinh)) chat quang cong dan thanh ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc hien)) sach - ((hanh tinh) OR (nhanh tinh)) chat quang cong dan thanh ban*".