Perhaps you should try some spelling variations:
trong manh » trong minh, trong anh, trong mach
hanh trinh » canh tranh, hanh chinh
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc hien
trinh ve » trinh he, trinh va, trinh vi
toan ban » van ban
ve dung » ve duong, ve rung, va dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((mot chieu) or (hoc thieu))) or (doc hieu)) xanh - hanh trinh ve dung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((mot chieu) OR (hoc thieu))) OR (doc hieu)) xanh - hanh trinh ve dung trong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((((mot chieu) or (hoc thieu))) or (doc hieu)) xanh - hanh trinh ve dung trong manh toan ban*.