Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quang dung » quang trung, ung dung, cuong dung
luong quan » thong quan, duong qua
hoc sieu » hoc dieu, hoc thieu, hoc hien
sieu van » hieu van, su van, lieu va
qua dung » su dung, qua song, qua cong
tuan thu » toan thuc, van thu
tuan tu » tran tu, toan tu, than tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sieu van - hanh trinh ((qua dung) or (quang dung)) luong quan ((tuan tu) OR (tuan thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sieu van - hanh trinh ((qua dung) OR (quang dung)) luong quan ((tuan tu) OR (tuan thu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sieu van - hanh trinh ((qua dung) or (quang dung)) luong quan ((tuan tu) OR (tuan thu))".
• Adding a wildcard symbol may retrieve word variants: hoc sieu van - hanh trinh ((qua dung) or (quang dung)) luong quan ((tuan tu) OR (tuan thu))*.