Perhaps you should try some spelling variations:
hoang phuong » hoang vuong, bang phuong, doan phuong
chieu sach » chinh sach, chiet tach, chieu sang
phuong van » phung van, phong van, phuong lan
hoc chieu » hoc thieu, ho chieu, hoc hien
minh tuan » anh tuan
va hoang » van hoang, vao hoang, va hang
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - ((minh tuan) or (canh tranh)) va hoang phuong van ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((minh tuan) OR (canh tranh)) va hoang phuong van ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((minh tuan) or (canh tranh)) va hoang phuong van ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((minh tuan) or (canh tranh)) va hoang phuong van ((toan cau) OR (toan ban))*.