Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
phan chung » phan cung, phan hung, phan cong
nong manh » nong lanh, duong manh, hoang manh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » 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 ((thieu sach) or (chieu sach)) - hanh trinh ((phan chung) OR (phan thuong)) nong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - hanh trinh ((phan chung) OR (phan thuong)) nong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (chieu sach)) - hanh trinh ((phan chung) OR (phan thuong)) nong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (chieu sach)) - hanh trinh ((phan chung) OR (phan thuong)) nong manh toan cau*.