Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong luong » cong thuong, nang luong, cong dong
hien xanh » hien hanh, hien nhanh, chieu xanh
vat nhung » va nhung, vap nhung, vai nhung
ve nhung » va nhung, tu nhung
toan ban » van ban
toan cao » toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh ((vat nhung) or (ve nhung)) cong luong ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh ((vat nhung) OR (ve nhung)) cong luong ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh ((vat nhung) or (ve nhung)) cong luong ((toan ban) or (toan cao))*.