Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
luan nhung » luan chung, luan hung, quan nhung
phuong dan » phuong doan, huong dan, phuong lan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
nhanh cay » nhanh ha, nhanh bac, nhanh va
hoc hieu » hoc thieu, hoc hien, doc hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - ((hanh tang) or (canh tranh)) luan nhung ((phuong dan) OR (phuong danh)) nhanh cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((hanh tang) OR (canh tranh)) luan nhung ((phuong dan) OR (phuong danh)) nhanh cay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - ((hanh tang) or (canh tranh)) luan nhung ((phuong dan) OR (phuong danh)) nhanh cay".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((hanh tang) or (canh tranh)) luan nhung ((phuong dan) OR (phuong danh)) nhanh cay*.