Perhaps you should try some spelling variations:
trong tran » trong trang, trong tranh, trong tan
tieu sach » chieu sach, dien sach, te sach
hanh mang » nhanh mang, hanh trang, nhanh lang
quang thu » quang phu, quang thi, quang tho
quang tru » quang tri, quang trung, quang tran
mang ung » mang cung, dang ung, manh ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh mang ung dung trong tran ((quang thu) or (quang tru))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh mang ung dung trong tran ((quang thu) OR (quang tru)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh mang ung dung trong tran ((quang thu) or (quang tru))*.