Perhaps you should try some spelling variations:
gioi trong » gioi trung, nguoi trong, gian trong
cong tinh » cong trinh, cong vinh, long tinh
hoach ba » hoach va, hoach ha, hoach bang
bo thong » pho thong, bo truong, he thong
sach han » sach tham, sach danh, sach nang
me gioi » me giai, me nguoi, moi gioi
ve gioi » ve giai, vien gioi, van gioi
tu sach » thu sach, su sach, te sach
le gioi » le giai, loi gioi
han le » phan le, han lee, han lew

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 ba ((me gioi) OR (ve gioi)) bo thong tin ) or ( tu sach han le gioi trong cong tinh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hoach ba ((me gioi) OR (ve gioi)) bo thong tin ) OR ( tu sach han le gioi trong cong tinh )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thu hoach ba ((me gioi) OR (ve gioi)) bo thong tin ) or ( tu sach han le gioi trong cong tinh ))".
• Adding a wildcard symbol may retrieve word variants: (( thu hoach ba ((me gioi) OR (ve gioi)) bo thong tin ) or ( tu sach han le gioi trong cong tinh ))*.