Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, nhanh lang, thanh hang
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
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: theo tieu xanh - ((hanh mang) OR (hanh trang)) va nhung cong tap toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh mang) OR (hanh trang)) va nhung cong tap toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh mang) OR (hanh trang)) va nhung cong tap toan ban*.