Perhaps you should try some spelling variations:
hoc nguoi » toc nguoi, hoa nguoi, thuc nguoi
hoach hoi » hoc hoi, hoach ha, sach hoi
hon nguoi » con nguoi, hoa nguoi, cho nguoi
soc nguoi » toc nguoi, con nguoi, hoa nguoi
mach hoc » cach hoc, dich hoc, anh hoc
tu hoach » thu hoach, tu hach, quy hoach
tu mach » tu cach, tu manh, tu hach
hoc hoc » hoc hoa, toc hoc, hoc hoi
hoi hon » hoi thon, hoi hoc, hoi han
anh toc » anh hoc, anh doc, anh thuc
toc soc » toc hoc, toc sach
tu anh » tu hanh, tu manh, thu anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( tu mach hoc hoc nguoi ) or ( tu hoach hoi hon nguoi ))) or ( tu anh toc soc nguoi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( tu mach hoc hoc nguoi ) OR ( tu hoach hoi hon nguoi ))) OR ( tu anh toc soc nguoi )).
• Adding a wildcard symbol may retrieve word variants: (((( tu mach hoc hoc nguoi ) or ( tu hoach hoi hon nguoi ))) or ( tu anh toc soc nguoi ))*.