Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu xanh » chieu xanh, hieu manh, thien anh
lang thang » cang thang, dang thanh, lang trong
hung thang » cang thang, hung tran
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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 - ((lang thang) or (hung thang)) cua thuong cong ((tac toan) OR (hach toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((lang thang) OR (hung thang)) cua thuong cong ((tac toan) OR (hach toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((lang thang) or (hung thang)) cua thuong cong ((tac toan) OR (hach toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((lang thang) or (hung thang)) cua thuong cong ((tac toan) OR (hach toan)) cau*.