Perhaps you should try some spelling variations:
hoc thieu » toc thieu
hanh tong » hanh trong, han tong, hanh dong
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, doi chieu, mot chieu
tong ung » tong cong, huong ung, cong dung
dan toan » van toan, dan than, manh 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: ((ho chieu) or (((hoc thieu) or (hoc hien)))) xanh - hanh tong ung dung trong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((hoc thieu) OR (hoc hien)))) xanh - hanh tong ung dung trong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((hoc thieu) or (hoc hien)))) xanh - hanh tong ung dung trong dan toan ban*.