Perhaps you should try some spelling variations:
trong thong » trong thuong, thong thong, tong thong
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu
trinh qua » trinh quan, trinh cua, trinh quang
qua trong » quan trong, qua trinh, qua song
thong tan » thong than, thong tran, thong tin
tan van » tran van, tang van, luan van

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) or (hoc hien)) sang - hanh trinh qua trong thong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sang - hanh trinh qua trong thong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sang - hanh trinh qua trong thong tan van ban*.