Perhaps you should try some spelling variations:
trong manh » trong minh, trong anh, trong mach
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap
tang su » tang suc, trang su, dang su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((nhieu tang) or (hieu lang))) or (chinh sach)) - hanh tang su dung trong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((nhieu tang) OR (hieu lang))) OR (chinh sach)) - hanh tang su dung trong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((nhieu tang) or (hieu lang))) or (chinh sach)) - hanh tang su dung trong manh toan cao*.