Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
cong tinh » cong trinh, long tinh, cong thanh
cong vinh » cong trinh, trong vinh, cong viec
hoc hieu » hoc thieu, doc hieu, hoc dieu
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 hieu) OR (hoc hien)) manh - hanh trinh vat nhung ((cong tinh) or (cong vinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc hien)) manh - hanh trinh vat nhung ((cong tinh) OR (cong vinh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) OR (hoc hien)) manh - hanh trinh vat nhung ((cong tinh) or (cong vinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) OR (hoc hien)) manh - hanh trinh vat nhung ((cong tinh) or (cong vinh)) toan cau*.