Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cong ngang » cong nhan, cong quang, cong lang
hien xanh » hien hanh, hien nhanh, chieu xanh
cua nhung » va nhung
cong vang » cong lang, cong quang, cong san
tinh cua » trinh cua, sinh cua, tinh chat
juan cao » quang cao, quan cau, juan a
toan cao » toan ban, 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 - nhanh tinh cua nhung ((cong vang) or (cong ngang)) ((juan cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - nhanh tinh cua nhung ((cong vang) OR (cong ngang)) ((juan cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - nhanh tinh cua nhung ((cong vang) or (cong ngang)) ((juan cao) or (toan cao))*.