Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
trong vinh » trong kinh, trong sinh, trong linh
hanh sinh » hanh tinh, hanh dinh, hinh sinh
vat nhung » va nhung, vap nhung, vai nhung
cong vinh » cong trinh, cong viec, cong viet
hoc hieu » hoc thieu, hoc hien, doc hieu
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 nganh - hanh sinh vat nhung ((cong vinh) OR (trong vinh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - hanh sinh vat nhung ((cong vinh) OR (trong vinh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - hanh sinh vat nhung ((cong vinh) OR (trong vinh)) toan cau*.