Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
theo chieu » theo tieu, ho chieu, thi chieu
hoang anh » hoang minh, hoang van
cua thong » cua thuong, cua khong, cua tong
theo chu » cho chu, chao chu, theo yeu
thong va » thong cua, truong va, thong qua
toan ban » van ban
va toan » van toan, bai toan, tap toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) sach - ((lanh tranh) or (hoang anh)) cua thong thong va toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sach - ((lanh tranh) OR (hoang anh)) cua thong thong va toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sach - ((lanh tranh) or (hoang anh)) cua thong thong va toan ban*.