Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sach » chinh sach, chieu sang, chieu xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh va » tranh van, trang va, trinh va
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (((chieu sach) OR (chiet tach)))) - canh tranh va nhung huong dan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu sach) OR (chiet tach)))) - canh tranh va nhung huong dan thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (((chieu sach) OR (chiet tach)))) - canh tranh va nhung huong dan thai cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu sach) OR (chiet tach)))) - canh tranh va nhung huong dan thai cao*.