Perhaps you should try some spelling variations:
cong khong » cong thong, cong thuong, trong khong
khong minh » thong minh, duong minh, trong minh
hoach cua » hoach luan, hoc cua, doanh cua
bon hoang » binh hoang, hoan hoang, van hoang
gian cong » gia cong, giao cong, gian song
cua vien » cua viet, cua bien, cua viec
gioi bon » gioi hon, gioi binh, gioi dong
tu sach » thu sach, su sach, te sach
sach ba » sach bai, sach bac, sach bao
me gian » me giai, ma giang

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hoach cua vien gioi bon hoang minh ) or ( tu sach ba me gian cong khong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach cua vien gioi bon hoang minh ) OR ( tu sach ba me gian cong khong minh )).
• Adding a wildcard symbol may retrieve word variants: (( thu hoach cua vien gioi bon hoang minh ) or ( tu sach ba me gian cong khong minh ))*.