Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh mang » nhanh mang, hanh trang, nhanh lang
hang nong » thang long, han tong
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) OR (thu sach)) - ((hanh mang) or (hanh trinh)) va hang nong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (thu sach)) - ((hanh mang) OR (hanh trinh)) va hang nong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) OR (thu sach)) - ((hanh mang) or (hanh trinh)) va hang nong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) OR (thu sach)) - ((hanh mang) or (hanh trinh)) va hang nong dan toan cao*.