Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trinh cua » tinh cua, trinh quan, trinh luan
luong dan » huong dan, luong dao, luong van
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 sach - hanh ((trinh cua) OR (trinh luat)) nhung luong dan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trinh cua) OR (trinh luat)) nhung luong dan toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trinh cua) OR (trinh luat)) nhung luong dan toan tap*.