Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trong manh » trong anh, trong mach, trong canh
trong minh » truong minh, trong kinh, thong minh
hoc thieu » toc thieu
trinh ve » trinh he, trinh va, trinh vi
toan ban » van ban
ve rung » le trung, he trung, va trung

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) or (hoc hien)) xanh - canh trinh ve rung ((trong manh) OR (trong minh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - canh trinh ve rung ((trong manh) OR (trong minh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - canh trinh ve rung ((trong manh) OR (trong minh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - canh trinh ve rung ((trong manh) OR (trong minh)) toan ban*.