Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
trong qua » trong quan, trong nha, duong qua
thong qua » thong quan, thong cua, thong tu
dung cong » dung trong
van thanh » ban thanh, van tuan
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - hanh ((trong qua) OR (thong qua)) dung cong ((van thanh) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh ((trong qua) OR (thong qua)) dung cong ((van thanh) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh ((trong qua) OR (thong qua)) dung cong ((van thanh) or (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((trong qua) OR (thong qua)) dung cong ((van thanh) or (manh toan)) cau*.