Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thieu sang » chieu sang, thieu khang, thieu quang
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
ban thanh » ban hanh, ban hang
dan chan » dan gian, dan ca, van chat
ban than » van thanh, ban hang, ban hanh

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 sang - hanh trinh cua nhung phuong ((dan chan) or (((ban than) OR (ban thanh)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trinh cua nhung phuong ((dan chan) OR (((ban than) OR (ban thanh)))) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - hanh trinh cua nhung phuong ((dan chan) or (((ban than) OR (ban thanh)))) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trinh cua nhung phuong ((dan chan) or (((ban than) OR (ban thanh)))) ban*.