Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
manh cua » doanh cua
dan phan » doan phan, dan chan, van phan
ban cua » ban quan

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 - canh ((manh cua) OR (ban cua)) ((nhung cong) or (dung cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh ((manh cua) OR (ban cua)) ((nhung cong) OR (dung cong)) dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh ((manh cua) OR (ban cua)) ((nhung cong) or (dung cong)) dan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ((manh cua) OR (ban cua)) ((nhung cong) or (dung cong)) dan phan tu*.