Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong hanh » phuong thanh, phuong anh, phuong danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
toc hieu » toc thieu, doc hieu, hoc thieu
trang va » hang va
tran van » luan van
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - hanh ((trang va) or (tran van)) nhung phuong hanh ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - hanh ((trang va) OR (tran van)) nhung phuong hanh ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu manh - hanh ((trang va) or (tran van)) nhung phuong hanh ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hanh ((trang va) or (tran van)) nhung phuong hanh ((toan cau) OR (toan ban))*.