Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
phuong dan » phuong doan, huong dan, phuong lan
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
than cao » toan cao, thai cao, than cap

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

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