Perhaps you should try some spelling variations:
thong hung » thong huong, thong nhung, thuong hung
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
trinh vat » trinh van, trinh luat, sinh vat
vat thong » va thong, vat trong, mat thong
hung manh » nhung manh, hung anh, tung manh
hoi hieu » hoi phieu, hoi tieu, moi hieu
toan cao » toan tap
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: hoi hieu lang - hanh trinh vat thong hung manh ((toan cao) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu lang - hanh trinh vat thong hung manh ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - hanh trinh vat thong hung manh ((toan cao) OR (toan ban))*.